Water injection into the air intake: 30% savings
Steam injection into the air intake: 40-45%
HHO in the air intake: about 15-30%
Acetone Addititiv: 15-25%
After-heating the Pöl between pump and nozzle: 30-35%
With Co2 mixture of 75% water with 25% Pöl (see also in Watercar.ch )
Vegetable oil (Pöl)

According to text they used to combined steam injection and after-heating, not information about saving rate (40% +30% = 70%?).

What is possible with "Block Power Plant Engine" should also function with car engine.